Leslie Weintraub OD (Tucson,AZ 85718)

• How to reduce the lighting glare from glasses?

  You can solve this by adding an anti-glare coating to your lenses.

• How does transition lens change in the sunlight?

  The transition lens contains a substance which is called silver halides. This kind of substance will change the color according to the strength of the light.

• Does too much crying cause blurry vision?

  When you cry a lot, your eyes will get irritated and then you will get redness and swelling in your eyes.Sometimes you may get blurry vision. But I am not sure whether the blurry vision is caused by too much crying. If you have got blurry vision, you really should see a doctor to have your eyes checked.

• How long will it take for transition lens to change color?

  Transition lens won't change the color quickly when they are under the sun. It will take them several minutes to change the color.

• Can photochromic sunglasses be harmful to your eyes?

  The material in phtochromic lens is silver halides and it is harmless to your eyes. But it is not recommended to wear them too long. Your eyes may get tired as the pupil has to change as the lens color change.

• Is transition lens really worth the money?

  Yes. Though it is expensive, it is convenient. And it can help you save the money of getting sunglasses. You don't have to switch from glasses to sunglasses when you frequently go inside and outside.

• Is there a kind of glasses that can do the computer work and reading both?

  Computer bifocals can meet your both needs for computer use and reading. You can get them from your opticians.

• Can astigmatism cause blurry vision?

  Yes. astigmatism can cause blurry vision. However, blurry vision may be caused by some other factors, like dry eyes, allergies and eye fatigue. So you should go to see an doctor to determine what cause your blurry vision and then give some special treatments.

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